#6445BA
Closest named color: Bluey Purple (#6241C7). oklch(49% 0.175 290.7), rgb(100, 69, 186).
Aa
White text reads best on this color (6.76:1).
About this color
#6445BA is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.175 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.023 away. White text reads best on it, at 6.76:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #6445BA |
| RGB | rgb(100, 69, 186) |
| HSL | hsl(256, 46%, 50%) |
| OKLCH | oklch(49% 0.175 290.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6445BA | 6.76:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #6445BA | 3.10:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #6445BA text on white | 6.76:1 | AA | Lc 82.9 | Fine for body text |
| #6445BA text on black | 3.10:1 | AA large text | Lc -19.0 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F7
oklch(88.4% 0.048 290.6)
-
Step 300
300
#C0B8F4
oklch(81% 0.084 290.5)
-
Step 400
400
#A190EF
oklch(70.7% 0.137 290.7)
-
Step 500
500
#8C71E9
oklch(63.1% 0.174 290.9)
-
Step 600
600
#7756D7
oklch(55.6% 0.189 290.7)
-
Step 700
700 (this color)
#6445BA
oklch(49% 0.175 290.7)
-
Step 800
800
#523A97
oklch(42.8% 0.145 290.8)
-
Step 900
900
#433378
oklch(37.7% 0.113 290.6)
-
Step 950
950
#271F46
oklch(27.1% 0.07 290.3)
#6445BA with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #005DBE | 0.102 |
| Deuteranopia (no green cones) | #0059B8 | 0.101 |
| Tritanopia (no blue cones) | #4A6079 | 0.141 |
| Achromatopsia (no color) | #5B5B5B | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6445BA
#6445BA
oklch(49% 0.175 290.7)
- #646500
#646500
oklch(49% 0.107 110.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6445BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.023
- Blue With A Hint Of Purple #533CC6 ΔE 0.041
- Iris #6258C4 ΔE 0.045
- Blurple #5539CC ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.059
- Rebecca Purple #663399 ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.068
Use #6445BA in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.